To smack one's lips and make sounds with the tongue, expressing gluttony or eager anticipation for food.
看到满桌的美味佳肴，他不禁咂嘴弄舌，迫不及待地想要品尝。
Seeing the table full of delicious dishes, he couldn't help but smack his lips and make eager sounds with his tongue, impatient to taste them.
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